Mercury UK to sell 7.7% in Italy's Nexi via accelerated book building

MILAN (Reuters) - Mercury UK - a vehicle of private equity firms Bain Capital, Advent International and Clessidra - said on Thursday it was offering shares equal to 7.7% in Italian payment group Nexi to institutional investors.The stake, which is made of 48.5 million shares, has a value of around 600 million euros (510.2 million pounds), Mercury UK said in a statement, adding it would sell it through an accelerated book building.Mercury UK currently holds a stake of around 60.1% in Nexi,..